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Proceedings Paper

Effective Use of Aspheres in Lens Design
Author(s): Michael E. Harrigan
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Paper Abstract

Optical designers have used the aspheric expansion given in equation 1) for many years. z= CQ2 + 44 + eQ6 + fQ8 + g Q10 1) 1 +0 â€" (k + 1)C2Q2 This surface is rotationally symmetric about the optical axis which runs along the z direction in cylindrical coordinates. The surface sagitta, "sag", is given by z and i)=N/xa + ya is the radial distance from the optical axis.

Paper Details

Date Published: 14 February 1986
PDF: 6 pages
Proc. SPIE 0554, 1985 International Lens Design Conference, (14 February 1986); doi: 10.1117/12.949205
Show Author Affiliations
Michael E. Harrigan, Xerox Corporation (United States)


Published in SPIE Proceedings Vol. 0554:
1985 International Lens Design Conference
Duncan T. Moore; William H. Taylor, Editor(s)

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